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Finding the Third Proportional to 10,151,746.45 and 21,921,736.22

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Solution

The third proportional to 10,151,746.45 and 21,921,736.22 is: 47,337,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151,746.45 : 21,921,736.22 = 21,921,736.22 : x
  2. Step 2: Convert to fraction form
    10,151,746.45/21,921,736.22 = 21,921,736.22/x
  3. Step 3: Cross multiply
    10,151,746.45x = 21,921,736.22 × 21,921,736.22
  4. Step 4: Simplify right side
    10,151,746.45x = 480,562,518,844,455.56
  5. Step 5: Solve for x
    x = 480,562,518,844,455.56/10,151,746.45
  6. Step 6: Final answer
    x = 47,337,915.80

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.